Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    207KB

  • Sample

    230115-j6pjhscc35

  • MD5

    a02ac9a6a1aa742bcaab34cdcb051add

  • SHA1

    c90d770222f195d071e536b1e7ec132f5d10cb51

  • SHA256

    d86278fc1659e46fd8b7e220361b30861189d008e86e8a117ab6f5a9884db399

  • SHA512

    45bbd33f6ed924a298405e50c7444568e2dfa3e75cb077461c9436f7b7a461bf8a9905f647b318780f1154cf7e13399dfc72f6681cddba89cfafcd5c12dd926d

  • SSDEEP

    3072:UX9hUtdEiesSewo5YU5NWGheqAlOdAMS/17/fn9x+9Joapb:QSEiesmt/lhMS/17yDp

Score
10/10
lummasmokeloaderbackdoorcollectiondiscoverypersistencespywarestealertrojan

Malware Config

Extracted

Family

lumma

C2

77.73.134.68

Targets

    • Target

      file.exe

    • Size

      207KB

    • MD5

      a02ac9a6a1aa742bcaab34cdcb051add

    • SHA1

      c90d770222f195d071e536b1e7ec132f5d10cb51

    • SHA256

      d86278fc1659e46fd8b7e220361b30861189d008e86e8a117ab6f5a9884db399

    • SHA512

      45bbd33f6ed924a298405e50c7444568e2dfa3e75cb077461c9436f7b7a461bf8a9905f647b318780f1154cf7e13399dfc72f6681cddba89cfafcd5c12dd926d

    • SSDEEP

      3072:UX9hUtdEiesSewo5YU5NWGheqAlOdAMS/17/fn9x+9Joapb:QSEiesmt/lhMS/17yDp

    Score
    10/10
    smokeloaderbackdoortrojanlummacollectiondiscoverypersistencespywarestealer

    • Detects Smokeloader packer

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

      stealerlumma

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

      persistence

    • Sets service image path in registry

      persistence

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

2
T1114

Exfiltration

Command and Control

Impact

Tasks